EP2003221A4 - Very thin hard steel sheet and method for producing the same - Google Patents

Very thin hard steel sheet and method for producing the same

Info

Publication number
EP2003221A4
EP2003221A4 EP07741011.6A EP07741011A EP2003221A4 EP 2003221 A4 EP2003221 A4 EP 2003221A4 EP 07741011 A EP07741011 A EP 07741011A EP 2003221 A4 EP2003221 A4 EP 2003221A4
Authority
EP
European Patent Office
Prior art keywords
producing
same
steel sheet
hard steel
thin hard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07741011.6A
Other languages
German (de)
French (fr)
Other versions
EP2003221A1 (en
EP2003221B1 (en
Inventor
Hidekuni Murakami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel and Sumitomo Metal Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of EP2003221A1 publication Critical patent/EP2003221A1/en
Publication of EP2003221A4 publication Critical patent/EP2003221A4/en
Application granted granted Critical
Publication of EP2003221B1 publication Critical patent/EP2003221B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06Surface hardening
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0426Hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0457Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C21D9/48Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/004Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/40Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling foils which present special problems, e.g. because of thinness
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2201/00Treatment for obtaining particular effects
    • C21D2201/05Grain orientation
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/004Dispersions; Precipitations
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0436Cold rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0442Flattening; Dressing; Flexing
EP07741011.6A 2006-04-04 2007-04-04 Hard extra-thin steel sheet and method for manufacturing the same Active EP2003221B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006102766 2006-04-04
PCT/JP2007/057575 WO2007116913A1 (en) 2006-04-04 2007-04-04 Very thin hard steel sheet and method for producing the same

Publications (3)

Publication Number Publication Date
EP2003221A1 EP2003221A1 (en) 2008-12-17
EP2003221A4 true EP2003221A4 (en) 2014-12-03
EP2003221B1 EP2003221B1 (en) 2016-05-25

Family

ID=38581203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07741011.6A Active EP2003221B1 (en) 2006-04-04 2007-04-04 Hard extra-thin steel sheet and method for manufacturing the same

Country Status (6)

Country Link
EP (1) EP2003221B1 (en)
JP (1) JP5058978B2 (en)
KR (1) KR101065545B1 (en)
CN (1) CN101415851B (en)
ES (1) ES2575997T3 (en)
WO (1) WO2007116913A1 (en)

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JP5251255B2 (en) * 2008-05-21 2013-07-31 新日鐵住金株式会社 Hard ultrathin steel sheet with small local deformability and method for producing the same
TWI412607B (en) * 2009-03-30 2013-10-21 Nippon Steel & Sumitomo Metal Corp Carburized steel part
JP4772926B2 (en) * 2009-05-18 2011-09-14 新日本製鐵株式会社 Ultra-thin steel plate and manufacturing method thereof
KR101308719B1 (en) * 2009-12-04 2013-09-13 주식회사 포스코 High strength and heat-resistance cold-rolled steel sheet having excellent formability, heat resistance, surface properties for working and manufacturing method thereof
KR101286172B1 (en) * 2009-12-04 2013-07-15 주식회사 포스코 High strength and heat-resistance cold-rolled steel sheet having excellent formability, heat resistance for working and manufacturing method thereof
DE102010003997A1 (en) * 2010-01-04 2011-07-07 Benteler Automobiltechnik GmbH, 33102 Use of a steel alloy
JP5227359B2 (en) * 2010-04-07 2013-07-03 トヨタ自動車株式会社 Austenitic heat-resistant cast steel
JP5540885B2 (en) * 2010-05-20 2014-07-02 新日鐵住金株式会社 Hot-rolled hot-rolled steel sheet and manufacturing method thereof
WO2012005330A1 (en) * 2010-07-09 2012-01-12 新日本製鐵株式会社 Ni-CONTAINING STEEL SHEET AND PROCESS FOR PRODUCING SAME
CN102443743A (en) * 2010-10-09 2012-05-09 王振民 Multi-element alloy wear resistant steel fixing wedge
KR101351951B1 (en) * 2010-12-08 2014-01-23 주식회사 포스코 High strength cold-rolled steel sheet having excellent formability, heat resistance for working and manufacturing method thereof
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CN102071357B (en) * 2011-01-05 2013-07-31 武钢集团昆明钢铁股份有限公司 Melting method of nitrogenous niobium vanadium microalloying 500MPa and 550MPa high-intensity aseismic reinforcing steel bar
CN102071358A (en) * 2011-01-26 2011-05-25 天津钢铁集团有限公司 Low-alloy and high-intensity steel plate with yield strength being 550MPa level and production method
JP5987284B2 (en) 2011-09-07 2016-09-07 日立化成株式会社 Sintered alloy and method for producing the same
WO2013046357A1 (en) 2011-09-28 2013-04-04 新日鐵住金株式会社 Nickel steel plate and manufacturing process therefor
EP2848710B1 (en) * 2012-05-10 2020-05-06 Hitachi Metals, Ltd. Austenitic heat-resistant cast steel having excellent machinability, and part for exhaust system which comprises same
CN103045960B (en) * 2012-12-21 2015-02-04 无锡市华尔泰机械制造有限公司 Flange for wind power drum and manufacturing technique thereof
CN104152811A (en) * 2014-07-25 2014-11-19 安徽霍山科皖特种铸造有限责任公司 High-ductility steel
CN104894472B (en) * 2015-05-22 2017-03-08 武汉钢铁(集团)公司 Elevated oxygen level steel and its smelting process
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EP1514949A1 (en) * 2002-06-17 2005-03-16 JFE Steel Corporation FERRITIC STAINLESS STEEL PLATE WITH Ti AND METHOD FOR PRODUCTION THEREOF
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EP1865085A1 (en) * 2005-03-31 2007-12-12 Kabushiki Kaisha Kobe Seiko Sho High-strength cold-rolled steel sheet excellent in coating adhesion, workability and hydrogen embrittlement resistance, and steel component for automobile
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US20040244885A1 (en) * 2001-10-29 2004-12-09 Hidekuni Murakami Steel sheet for vitreous enameling and method for producing the same
EP1514949A1 (en) * 2002-06-17 2005-03-16 JFE Steel Corporation FERRITIC STAINLESS STEEL PLATE WITH Ti AND METHOD FOR PRODUCTION THEREOF
WO2006027854A1 (en) * 2004-09-09 2006-03-16 Nippon Steel Corporation Steel sheet for extremely thin container and method for production thereof
EP1806420A1 (en) * 2004-09-09 2007-07-11 Nippon Steel Corporation Steel sheet for extremely thin container and method for production thereof
EP1865085A1 (en) * 2005-03-31 2007-12-12 Kabushiki Kaisha Kobe Seiko Sho High-strength cold-rolled steel sheet excellent in coating adhesion, workability and hydrogen embrittlement resistance, and steel component for automobile
EP1950317A1 (en) * 2005-11-09 2008-07-30 Nippon Steel Corporation Steel sheet for continuous cast enameling with highly excellent unsusceptibility to fishscaling and process for producing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007116913A1 *

Also Published As

Publication number Publication date
JP5058978B2 (en) 2012-10-24
KR20080106330A (en) 2008-12-04
ES2575997T3 (en) 2016-07-04
WO2007116913A1 (en) 2007-10-18
EP2003221A1 (en) 2008-12-17
CN101415851A (en) 2009-04-22
EP2003221B1 (en) 2016-05-25
CN101415851B (en) 2011-06-08
JPWO2007116913A1 (en) 2009-08-20
KR101065545B1 (en) 2011-09-19

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